Overview of the upgrade path for Windows 8 developers: From Windows 7, Vista and XP

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  1. Download and install the repair tool here.
  2. Let it scan your computer.
  3. The tool will then repair your computer.

if you can install it.

The upgrade path from earlier versions to Windows 8 Developer Preview is as follows:

Installing Windows Developer Preview
Install to : Windows developer preview with developer tools Windows developer preview without developer tools
Window 7 No clean installation You can install accounts, Keep files and settings
Windows Vista Install clean only You can install accounts, Keep files and settings
Window XP Install clean only You can manage accounts and files
Install clean is supported on all versions. You will only get full installation options if the installation is running under Windows.

June 2024 Update:

You can now prevent PC problems by using this tool, such as protecting you against file loss and malware. Additionally, it is a great way to optimize your computer for maximum performance. The program fixes common errors that might occur on Windows systems with ease - no need for hours of troubleshooting when you have the perfect solution at your fingertips:

  • Step 1 : Download PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista – Microsoft Gold Certified).
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Application migration is not allowed with the release of Windows Developer Preview, but other options are available to keep your accounts, files and settings in Windows.

Also note that you cannot uninstall the Windows Developer Preview.

To reinstall your old operating system, you must restore or use the installation media.

Here you can find Windows 8.1 & Windows 8 RTM Upgrade Paths.

Expert Tip: This repair tool scans the repositories and replaces corrupt or missing files if none of these methods have worked. It works well in most cases where the problem is due to system corruption. This tool will also optimize your system to maximize performance. It can be downloaded by Clicking Here

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